#------------------------------------------------------------------------------ #$Date: 2009-11-18 16:56:34 +0200 (Wed, 18 Nov 2009) $ #$Revision: 858 $ #$URL: file:///home/coder/svn-repositories/cod/cif/9/9000406.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_9000406 loop_ _publ_author_name 'Moore P B' 'Araki T' _publ_section_title ; Pinakiolite, Mg2MnO2[BO3]; warwickite, Mg(Mg0.5Ti0.5)O[BO3]; wightmanite, Mg5(O)(OH)5[BO3].nH2O: Crystal chemistry of complex 3 Angstrom wallpaper structures ; _journal_name_full 'American Mineralogist' _journal_page_first 985 _journal_page_last 1004 _journal_volume 59 _journal_year 1974 _chemical_formula_sum 'B2 Fe0.02 Mg3.62 Mn2.16 O10' _[local]_cod_chemical_formula_sum_orig 'Mn2.16 Mg3.62 Fe.02 B2 O10' _chemical_name_mineral Pinakiolite _symmetry_space_group_name_H-M 'C 1 2/m 1' _cell_angle_alpha 90 _cell_angle_beta 95.83 _cell_angle_gamma 90 _cell_length_a 21.79 _cell_length_b 5.977 _cell_length_c 5.341 _cell_volume 692.008 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2+y,z x,-y,z 1/2+x,1/2-y,z -x,y,-z 1/2-x,1/2+y,-z -x,-y,-z 1/2-x,1/2-y,-z loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Mn1 0.50000 0.50000 0.00000 1.00000 0.00925 Mn2 0.50000 0.50000 0.50000 1.00000 0.00887 Mn3 0.25030 0.00000 0.49930 1.00000 0.00722 Mg1 0.50000 0.00000 0.00000 0.83000 0.02470 Mg2 0.50000 0.00000 0.50000 0.77000 0.02609 Mg3 0.25000 0.25000 0.00000 0.84000 0.00760 Mn3 0.25000 0.25000 0.00000 0.16000 0.00760 Mg4 0.38690 0.24970 0.70720 0.99000 0.00811 Fe4 0.38690 0.24970 0.70720 0.01000 0.00811 B1 0.13440 0.00000 0.80550 1.00000 0.00722 B2 0.36920 0.00000 0.19860 1.00000 0.01077 O1 0.39720 0.50000 -0.01620 1.00000 0.00925 O2 0.39590 0.50000 0.43440 1.00000 0.00823 O3 0.19080 0.00000 0.83320 1.00000 0.00937 O4 0.40140 0.00000 -0.01660 1.00000 0.01292 O5 0.40020 0.00000 0.43970 1.00000 0.01191 O6 0.30580 0.00000 0.17130 1.00000 0.01127 O7 0.51380 0.27550 0.25560 1.00000 0.01165 O8 0.29370 0.25020 0.67750 1.00000 0.00963